Alaska Airlines
flight
AS 643:
Denver - Seattle-Tacoma
Denver - Seattle-Tacoma
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS643
Effective 2025-05-15 through 2025-05-22
Mon
Tue
Wed
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Thu
Fri
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Sat
Sun
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Duration: 2:59, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Effective 2025-05-16 through 2025-05-21
Mon
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Tue
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Wed
Thu
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Fri
Sat
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-
Sun
Duration: 2:59, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS643
Effective 2025-05-23 through 2025-05-27
Mon
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Tue
Wed
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Thu
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Fri
Sat
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Sun
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Duration: 2:59, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Effective 2025-05-24 through 2025-06-01
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS643
Effective 2025-06-02 through 2025-06-09
Mon
Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 2:59, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Effective 2025-06-04 through 2025-06-11
Mon
-
-
Tue
Wed
Thu
Fri
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-
Sat
Sun
Duration: 2:59, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS643
Operates only on 2025-06-06
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Duration: 2:59, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Alaska Airlines AS643
Operates only on 2025-06-12
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Duration: 3:01, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS643
Effective 2025-06-13 through 2025-08-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Operates only on 2025-08-16
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 3:01, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS643
Effective 2025-08-17 through 2025-08-19
Mon
Tue
Wed
-
-
Thu
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Fri
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Sat
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-
Sun
Duration: 3:01, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:03, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Valid until 2025-05-08
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Alaska Airlines AS643
Effective 2025-05-02 through 2025-05-06
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Effective 2025-05-07 through 2025-05-13
Mon
-
-
Tue
Wed
Thu
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-
Fri
Sat
-
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS643
Effective 2025-05-10 through 2025-05-14
Mon
-
-
Tue
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-
Wed
Thu
-
-
Fri
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-
Sat
Sun
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-
Duration: 3:00, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Operates only on 2025-05-12
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Boeing 737-800 (73H)
Alaska Airlines AS643
Effective 2025-10-04 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Alaska Airlines AS643
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737 (73J)
Boeing 737 (73J)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here DEN-SEA
- AS 643 is a domestic flight departing from the Denver airport (DEN) and arriving at Seattle-Tacoma airport (SEA).
- The flight distance is 1022 miles, or 1644 km.
- The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 2:59 and 3:03.